Westwood is a borough in Bergen County, in the U.S. state of New Jersey. Westwood is part of the New York metropolitan area. Many of its residents regularly commute to New York City for work and leisure, many using public transportation. As of the 2020 United States census, the borough's population was 11,282, an increase of 374 from the 2010 census count of 10,908, which in turn reflected a decline of 91 from the 10,999 counted in the 2000 census.